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2 years ago

The graph below is the graph of a function. A. True B. False

Mathematics

2 answers:

Charra [1.4K]2 years ago

6 0

I’m 90% sure it’s true

Arte-miy333 [17]2 years ago

5 0

What is graph function ?

A graph function is set of all points in the plane of the form (x, f(x))

as we can see this picture describe the graph function .

here is vertical line test for the same

If the vertical line drawn intersects the graph more than once for any value of x then the graph is not the graph of a function.

so it's true

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Wich algebraic expression represents ”forty times a number”? 40+n 40n n-40 40/n

Reika [66]

The answer to the problem is 40n

4 0

2 years ago

Read 2 more answers

Ella swims four times a week at her clubs pool. She swims the same number of laps on Monday,Wednesday,Friday,and 15 laps on Satu

Reika [66]

She swims 12 laps on Monday.

Step-by-step explanation:

Total laps = 51 laps

Laps on Saturday = 15 laps

Let,

x be the number of laps on Monday, Wednesday and Friday each.

According to given statement;

Monday+Wednesday+Friday+Saturday = 51

$x+x+x+15=51\\3x=51-15\\3x=36$

Dividing both sides by 3

$\frac{3x}{3}=\frac{36}{3}\\x=12$

She swims 12 laps on Monday.

Keywords: addition, division

Learn more about division at:

#LearnwithBrainly

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2 years ago

Subtract (x^2+3x-4) -(4x-2x^2-3)

Feliz [49]

Answer:

3 x^2 - x + -1

Step-by-step explanation:

Simplify the following:

-(4 x - 2 x^2 - 3) + x^2 + 3 x - 4

Factor -1 out of -2 x^2 + 4 x - 3:

--(2 x^2 - 4 x + 3) + x^2 + 3 x - 4

(-1)^2 = 1:

2 x^2 - 4 x + 3 + x^2 + 3 x - 4

Grouping like terms, 2 x^2 + x^2 + 3 x - 4 x - 4 + 3 = (x^2 + 2 x^2) + (3 x - 4 x) + (-4 + 3):

(x^2 + 2 x^2) + (3 x - 4 x) + (-4 + 3)

x^2 + 2 x^2 = 3 x^2:

3 x^2 + (3 x - 4 x) + (-4 + 3)

3 x - 4 x = -x:

3 x^2 + -x + (-4 + 3)

3 - 4 = -1:

Answer: 3 x^2 - x + -1

4 0

3 years ago

Someone please help explain how to find x

dimaraw [331]

Answer:

x=27

Step-by-step explanation:

180-2x-40+180-3x+180-x-50+180-4x = 360

360-2x-40-3x+360-x-50-4x= 360

360-10x-90= 0

10x= 270

x= 27

5 0

3 years ago

What is the point of intersection of the linear system x=5 and y = - 4

mestny [16]

Answer: The linear equations intersect at 5 , -4

8 0

2 years ago